@mildlydiverting found it!

The spot where Freddy Mercury stands strutting his stuff, was one of the most deprived areas of London, and the scene of the Capital’s most bizarre tragedy – the London beer flood. Before New Oxford Street was constructed the area behind Centre Point, the St. Giles area, was a rookery where some of the poorest of London lived in dirty, cramped conditions, and on the boundary of the rookery, on the site of the Dominion Theatre stood the Meux’s Brewery. A popular beer at that time was porter, a dark beer which originated in London during the early 18th century. Prior to that beer was distributed to the publican “very young” and aging was performed in the ale house, porter was the first beer to be aged at the brewery and dispatched to be drunk immediately. It was also the first beer which could be made on a large scale, and as it was invented in London and drunk by London’s p...